private async void Button_Click(object sender, RoutedEventArgs e) { UserApiService userService = new UserApiService(); try { lblName.Foreground = Brushes.White; lblEmail.Foreground = Brushes.White; lblPassword.Foreground = Brushes.White; lblName.Content = ""; lblPassword.Content = ""; lblEmail.Content = ""; string req = await userService.RegisterAsync(new UserRegisterVM { Name = txtName.Text, Email = txtEmail.Text, Password = txtPassword.Text }); MessageBox.Show("Працівник успішно доданий."); this.Close(); } catch (WebException wex) { ShowException(wex); } }